Home / 1,255,311,081.52-1,881,800,913.70-555,429,410.67

Finding the Fourth Proportional to 1,255,311,081.52, 1,881,800,913.70 and 555,429,410.67

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Solution

The fourth proportional to 1,255,311,081.52, 1,881,800,913.70 and 555,429,410.67 is: 832,628,332.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,311,081.52 : 1,881,800,913.70 = 555,429,410.67 : x
  2. Step 2: Convert to fraction form
    1,255,311,081.52/1,881,800,913.70 = 555,429,410.67/x
  3. Step 3: Cross multiply
    1,255,311,081.52x = 1,881,800,913.70 × 555,429,410.67
  4. Step 4: Simplify right side
    1,255,311,081.52x = 1,045,207,572,488,770,048
  5. Step 5: Solve for x
    x = 1,045,207,572,488,770,048/1,255,311,081.52
  6. Step 6: Final answer
    x = 832,628,332.43

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.